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National Stock Number:
4820-00-436-7604
Federal Supply Class:
4820
National Item Identification Number:
004367604
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| 285601 | 62983 | EATON AEROSPACE, LLC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.538 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.500 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.375 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.296 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.204 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM BODY | | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM FACE | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 60.000 NOMINAL | | SPECIAL FEATURES | DRILL .062 IN. HOLE .250 IN DEEP ON BODY,DRILL .062 IN. HOLE .422 IN. DEEP ON FACE,.187 DIA HOLE .312 DEEP |
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